Dark ghost shark (Hydrolagus novaezealandiae) fish species and information / pictures of Dark ghost shark - Hydrolagus novaezealandiae

Dark ghost shark (Hydrolagus novaezealandiae) fish species information

Scientific Name
Hydrolagus novaezealandiae

Common Name
Dark ghost shark

Biology
Anal spines: 0; Anal soft rays: 0. Dark grey dorsally, with silver-white markings, pale silver-grey ventrally.

Classification

Classified By

Fowler, 1911

Class

Chimaeras (Holocephali)

Order

Chimaeras (Chimaeriformes)

Family

Shortnose chimaeras or ratfishes (Chimaeridae)

Distribution

Region

Southwest Pacific

Distribution

Southwest Pacific: endemic to New Zealand.

Range

34°S - 47°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

25 m

Depth To - meters

950 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 25 - 950 m

Trophic Level

3.52 s.e. 0.46 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

96.0 cm

Common Length

55.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Moderate to high vulnerability (54 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Assuming Fec

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)